.nav .list-wrap {
    align-items: center;
}

.nav .list-wrap li {
    font-size: 16px;
    font-weight: 700;
}

.nav .list-wrap .buy_now {
    font-size: 13px;
    font-weight: 400;
    border: 1px solid #000;
    border-radius: 3px;
    width: 70px;
    text-align: center;
    line-height: 28px;
    font-weight: 600;
}

.nav .list-wrap .buy_now:hover a {
    /* text-decoration: underline; */
    box-shadow: 0 1px 0 #000
}

.main {
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.bgbar {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.bgbar .bg img {
    width: 100%;
    min-height: 360px;
    object-fit: cover;
    /* height: 440px; */
}

.bgbar .title {
    width: 44%;
    position: absolute;
    top: 50%;
    left: 8%;
    transform: translateY(-50%);
}

.bgbar .title h2 {
    font-size: 44px;
    margin-bottom: 10px;
}

.bgbar .title p {
    font-size: 15px;
}

.live {
    box-sizing: border-box;
    width: 100%;
    padding: 50px 10px;
}
.live>div{
    text-align: center;
}
.live h3 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 10px;
}

.live a {
    transition: .3s;
    font-size: 15px;
    color: #005da6;
    font-weight: 700;
}

.live i {
    font-size: 12px;
    color: #005da6;
    font-weight: 700;
}

.live a:hover {
    box-shadow: 0 2px 0 #005da6;
    margin-right: 5px;
}

.icon_nav {
    width: 100%;
    padding: 30px 0 50px;
}

.icon_nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.icon_nav ul li {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 2%;
}

.icon_nav ul li:not(:last-child) div {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
    opacity: .9;
}

.icon_nav ul li:last-child div {
    font-size: 15px;
    font-weight: 700;
}

.editionInfo {
    width: 100%;
    padding: 0 5%;
    margin-bottom: 50px;
    box-sizing: border-box;
}

.editionInfo ul {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    /* box-sizing: border-box; */
}

.editionInfo ul li {
    width: 30%;
    opacity: .9;
    margin-bottom: 50px;
}

.editionInfo ul li:hover {
    opacity: 1;
}

.editionInfo ul li img {
    display: block;
    width: 100%;
    max-height: 280px;
    object-fit: cover;
}

.editionInfo .edition {
    margin: 30px 0 20px;
    font-size: 15px;
}

.editionInfo .edition h4 {
    font-size: 21px;
    margin-bottom: 5px;
}

.editionInfo .info {
    font-size: 15px;
}

.editionInfo .info p {
    margin-bottom: 10px;
}

.editionInfo .info .detail_Link a {
    display: inline-block;
    width: 140px;
}

.editionInfo .info .detail_Link a span {
    margin-right: 3px;
    font-weight: 700;
    color: #005da6;
    transition: .3s;
}

.editionInfo .info .detail_Link a i {
    font-size: 13px;
    color: #005da6;
    /* transition: .3s; */
}

.editionInfo .info .detail_Link a:hover span {
    box-shadow: 0 2px 0 #005da6;
    /* padding-right: 5px; */
    margin-right: 7px;
}

.answer_problem {
    width: 100%;
    box-sizing: border-box;
    margin: 50px 0;
}

.answer_problem .title h2 {
    font-size: 30px;
}

.answer_problem .problem .all {
    display: flex;
    justify-content: flex-end;
}

.answer_problem .problem .all span {
    font-size: 15px;
    margin: 0 10px;
    line-height: 30px;
}

.answer_problem .problem .all button {
    border: none;
    outline: none;
    font-size: 15px;
    line-height: 36px;
    background-color: transparent;
}

/* .answer_problem .problem .all .allopen {
    color: #005da6;
} */

.allcolor {
    color: #005da6;
}

.state {
    cursor: not-allowed
}

/* .answer_problem .problem .all button:hover {
    background-color: #005da6;
    color: #fff;
} */

.answer_problem .problem ul {
    width: 100%;
}

.answer_problem .problem ul li>div:first-child {
    padding: 0 20px;
    line-height: 45px;
    background-color: #f0f0f0;
}

.answer_problem .problem ul li>div:first-child i {
    font-size: 12px;
    /* margin: 0 10px; */
    margin-right: 10px;
}

/* .answer_problem .problem ul li:not(:first-child) {
    display: none;
} */

.answer_problem .problem ul li>div:first-child {
    position: relative;
    z-index: 0;
    border: 2px solid transparent;
}

.answer_problem .problem ul li>div:first-child:hover {
    /* background-color: teal; */
    /* box-shadow: 1px 1px 3px #0078d4, -1px -1px 3px #0078d4; */
    z-index: 100;
    box-shadow: 0 0 4px 2px rgb(0 0 0 /16%);
}

.pd {
    padding: 0 20px;
    font-size: 15px;
}

.show {
    display: none;
}

.pd p {
    margin: 20px 0;
}

.answer_problem .problem .anwser1 p {
    font-size: 15px;
    margin: 20px 0;
}

.answer_problem .problem .anwser1 li {
    list-style-type: disc;
    font-size: 15px;
    /* color: #005da6; */
    font-weight: 700;
    margin-left: 40px;
    margin-bottom: 15px;
}

.answer_problem .problem .anwser1 li a {
    color: #005da6;
}

.answer_problem .problem .anwser1 a:hover {
    /* box-shadow: 0 2px 0 #005da6; */
    text-decoration: underline;
}

.answer_problem .problem .anwser3 .plan h4 {
    color: #005da6;
    margin: 20px 0;
    font-size: 15px;
}

.answer_problem .problem .anwser3 .plan h4:hover {
    text-decoration: underline;
}

.answer_problem .problem .anwser3 .plan li {
    list-style-type: disc;
    margin: 20px 30px;
}

.answer_problem .problem .anwser3 .plan li:last-child {
    margin-bottom: 50px;
}

.answer_problem .problem .anwser4 .plan h4 {
    color: #000;
    font-weight: 400;
}

.answer_problem .problem .anwser6 .plan h4 {
    color: #000;
    font-weight: 400;
}

.answer_problem .problem .anwser4 .plan h4:hover {
    text-decoration: none;
}

.answer_problem .problem .anwser6 .plan h4 span {
    color: #0078d4;
    font-weight: 700;
}

.answer_problem .problem .anwser6 .plan h4 span:hover {
    text-decoration: underline;
}

.detail {
    width: 100%;
    box-sizing: border-box;
    background-color: #ffffff;
    padding: 140px 20px;
    margin-bottom: 100px;
}

.detail h4 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.detail ul {
    width: 100%;
    max-width: 1280px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.detail ul li {
    width: 20%;
    text-align: center;
    margin-bottom: 20px;
}

.detail ul li .img img {
    width: 45px;
    height: 45px;
}

.detail ul li .edition {
    font-size: 20px;
    font-weight: 700;
    margin: 16px 0;
}

.detail ul li .info {
    color: #0078d4;
    font-weight: 700;
}

.detail ul li .info a {
    transition: .3s;
    font-size: 16px;
    color: #0078d4;
    /* margin-right: 2px; */
}

.detail ul li .info i {
    font-size: 12px;
}

.detail ul li .info a:hover {
    box-shadow: 0 2px 0 #0078d4;
    margin-right: 5px;
}

@media screen and (max-width:600px) {
    .detail ul li {
        width: 46%;
    }

}

@media screen and (max-width:800px) {
    .editionInfo ul li {
        width: 100%;
    }
}

@media screen and (max-width:1200px) {
    .bgbar .title {
        width: 50%;
    }

    .bgbar .title h2 {
        font-size: 24px;
    }
}